MeanHoo Bicycle Saddl Seatpost Bag Fashion Fixed Gear Fixie Pannier Saddle Rear Rack Seat Bag - Black Practical New About the shipping by USPS just need 7-15 business days.Package Set :1x PCS Bike bag - Black.We promise order now with provide a Lifetime Guarantee. Compact size minimizes bulk and wind resistance - Compact size with soft non-scratch base inside the main compartment and attaches to top tube and bike stem by Velcro straps Each pannier has an outer zippered pocket for additional small items like a phone, wallet, snacks, mini tire air pumps, etc. A slit on the top middle section of the panniers allow cyclists to mount onto smaller racks. Stylish appearance with texture style sides, durable and functional - Velcro straps for stability and easy installation; fits on all bikes with rear seat Features:Comes with installations kits - Room for holding small items - Easy to disassemble, suits for many kinds of bikes. See the product Description below have any feature detail.